/*  Midterm
 Andrew Urrutia
 11-3-14
*/


String title="CST 112 Midterm";
String author="Andrew Urrutia";


boolean day;


int score;
float surface;
float bottom;


float birdX, birdY, birdDX= 3;
float oneX, oneY, oneDX, oneDY;
float twoX, twoY, twoDX, twoDY;
float threeX, threeY, threeDX, threeDY;


float witchX, witchY, witchDX= -4;
float witchEyeX, witchEyeY;
float octX, octY, octDY= 2;
float helpX, helpY, helpDY=0;


float moonX, moonY;
float waveX=20, waveY=20;
float weedX=50, weedY=50;



void setup() {
  size(600, 500);
  surface=  height/2;
  bottom=  height;
  score=0;
  day=  true;
  begin();
}


void begin() {

  ////  Move creatures back to starting positions
  birdX=50;
  birdY=surface/2;
  octX=  random( 100, width-100 );
  octY=surface;
  witchX=  width;
  witchY=  random( 50, surface-50 );
  witchDX= -2;
  //
  moonX=  50 + random( width-100 );
  moonY=  witchY + random( 50 ); 
  helpX=width*2/3;
  helpY=height/3;
}


void draw() {
  //// Draw the frame
  scene();
  if (day) {
    bird();
  } 
  else {
    witch();
    octopus();
  }
  //// message appear at the end
  message();
}


void message() {
  //// Message on screen
  //// Text on screen
  fill(0);
  text( title, 250, 30 );
  text( author, 20, height-20);
  text( witchX, 10, 10 );
  // Score
  fill(250);
  if (score<0) fill(255, 0, 0);
  if (score != 0) text( "SCORE:  "+score, width*3/4, surface-50 );
  fill(255);
  //--  text( "MOON:  "+moonX+","+moonY, helpX, helpY-20 );
}  


void scene() {
  //////// Sky and ocean
  if (day) {
    background( 200, 250, 255 );
    fill( 255, 255,200 );
    ellipse( width-100, 50, 50, 50 );    // sun
  } 
  else {  
    background( 100, 100, 200 );
    fill( 200, 100, 100 );
    noStroke();
    ellipse( moonX, moonY, 70, 70 );    // moon
  }
  /////////// Ocean
  fill( 100, 200, 100 );
  noStroke();
  rectMode(CORNER);
  rect(0, surface, width, height-surface );
  waves( surface );
  seaweed( bottom );
}

void waves( float y ) {

  //// Make waves on surface of ocean.
  if (frameCount % 10 == 0) {
    waveX=  40 + random(0, 15);    // Randomize wave width, every ten frames
    waveY=  30 + random(0, 2);
    if (day) waveX += 30;
    waveX = waveX -2 + random(4);
  }

  // Make waves across width of screen.
  for (float x=0; x<width+30; x+=waveX )
  {
    ellipse(x, y, waveX, waveY );
  }
}


void seaweed( float y ) {

  //// Make seaweed across the width of the screen
  if (frameCount %10 == 0) {
    weedX=  20 - random(0, 10);
    if (day) weedX *= 3;          // Weeds move more by day 
    weedY=  10 - random(0, 2);
  }
  for (float x=0; x<width+40; x+=20 )
  {
    strokeWeight(4);
    stroke( 0, 100, 100 );          // Dark-green seaweed
    line(x, y, x+weedX, y-weedY );
    noStroke();
    weedX = weedX -2 + random(4);
  }
}


/////////////////// CREATURES ///////////////////////////
void bird() {
  //// Move & draw
  birdX += birdDX;
  if (birdX > width-50) { 
    background( 250, 255, 250);    // Flash (sunrise);
    day=false; 
    begin(); 
    return;
  }

  // Draw bird.
  fill(250, 200, 250);
  triangle( birdX, birdY, birdX-80, birdY-10, birdX-80, birdY+10 );
  fill(150, 0, 150);
  if (frameCount / 10 % 2 == 0) {
    triangle( birdX-20, birdY, birdX-40, birdY-50, birdX-40, birdY+40 );
  } 
  else {
  }
}



void witch() {

  //// Witch move & draw
  witchX += witchDX;
  if (witchX < 50) { 
    background(250, 200, 255);    // Flash (sunrise)
    day=true; 
    score -= 25;
    begin(); 
    return;
  }
  //// Draw witch
  fill(200, 250, 255);
  rectMode(CENTER);
  rect( witchX, witchY, 40, 60 );    // Brown rectangle
  fill(255, 0, 0);                      // Red face
  ellipse( witchX, witchY-30, 20, 40);

  // Yellow eye
  fill(250, 250, 200);
  ellipse( witchX-5, witchY-40, 5, 5 );

  // grey hat.
  fill(200);
  triangle( witchX-10, witchY-50, witchX+10, witchY-50, witchX, witchY-70 );
  strokeWeight(4);
  stroke(0);
  line( witchX-20, witchY-50, witchX+20, witchY-50 );  // Hat brim
  drawBroom( witchX-60, witchX+60, witchY+30 );
}


void drawBroom( float x1, float x2, float y ) {

  //// Broom from x1 to x2, at y
  strokeWeight(6);
  stroke(200, 150, 100);
  line( x1, y, x2, y );

  //// Bristles at x2.
  strokeWeight(1);

  float yy=  y-10;

  for (int j=0; j<8; j++ )
  {
    line( x2, yy, x2+40, yy );
    yy += 3;
  }
  noStroke();        // Reset
}


void octopus() {
  //// Octopus- moving up & down
  octY += octDY;

  if (octY < surface) {
    //// Octopus surfaces:  lose 25 points, flash black, reverse begin sinking.
    octDY = +1;    // Sink slowly.
    background( 0, 50, 100 );    // Flash, darker blue
    score -= 50;
  }

  else if (octY > height-50) {
    // Hit bottom
    octDY = -3;    // Rise faster
  }

  if (octY > height-70) {
    background( 200, 250, 100 );    // Prolonged flash at bottom
    fill(200, 250, 2200);
    text( "o\n        o\n         o\n          gurgle\n   gurgle\n gurgle", 
    octX+20, octY-120 );
    fill(255, 255, 0);
    text( "SCORE DROPS BY 50, WHEN I SURFACE!", octX-100, surface );
  }

  //// Draw body and the legs;
  fill( 250, 255, 255 );
  rectMode(CENTER);
  rect( octX, octY, 20, 40 );
  ellipse( octX, octY-30, 40, 40 );

  // Eye
  fill(255, 250, 200);
  ellipse( octX, octY-35, 15, 10 );
  fill(0);
  ellipse( octX-2+random(4), octY-35, 4, 4 );

  // Legs
  stroke( 40, 40, 250 );
  strokeWeight(4);
  float slant=0;
  if (octDY<0) {

    //make octo go up
    slant = (frameCount % 10 < 5) ? -3 : +3;
  }
  for ( float x=octX-20+2; x<octX+20; x+=5 )
  {
    line(x, octY+20, x+slant, octY+50);
  }
}


//  KEYES PRESSED ACTIONS//

void mousePressed() {
  //// Check for clicking on: witch, bird, octopus, etc.
  if (day) {
    if (dist( mouseX, mouseY, birdX, birdY) < 40 ) { 
      day=false; 
      return;
    }
    {

      ////// Witch's eye adds 50 to score (and ends the night)
      if ( dist( mouseX, mouseY, witchX-20, witchY-50 )  <  15 ) { 
        background(0);
        day=false;  
        score += 50;           // for Witch's eye
        witchDX +=  1;
      }

      // Octopus eye sends him downward
      if ( dist( mouseX, mouseY, octX, octY-30 )  <  15 ) { 
        background(0);
        octDY +=  1;
      }
    }
  }

}


void keyPressed() {
  //// Keys.
  if (key == 'd') { 
    day=true; 
    begin();
  }
  if (key == 'n') { 
    day=false; 
    begin();
  }
  if (key == 'q') exit();
}